21246621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17401}}^1$

素因数の和:17452

約数の個数: 16

約数和(自身を含む): 31741248

約数和(自身を除く): 10494627

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17401, 52203, 191411, 574233, 643837, 1931511, 7082207, 21246621]

約数ペア:

[(1, 21246621), (3, 7082207), (11, 1931511), (33, 643837), (37, 574233), (111, 191411), (407, 52203), (1221, 17401)]